More details of Intel's Nova Lake Desktop CPUs have been revealed by various leakers and insiders, such as OC, Power & NPU performance.
Intel Nova Lake Desktop CPUs To Boast New Core Cluster Arrangement - Overclocking, Power Limits & NPU Explained A Bit More
Yesterday, we reported that Intel's Nova Lake Desktop CPUs would consume over 700W of power in their dual compute tile configuration with up to 52 cores, along with insights on the cache & peak temperature limits. Now, several insiders have revealed even more details for the upcoming desktop processor family, such as overclocking support, power limits, NPU performance, and core arrangement.
Nova Lake's LPE Cores Don't Support Overclocking
Starting with the overclocking bit, Jaykihn has highlighted that Nova Lake-S LP-E cores, which will be based on the Arctic Wolf E-Core architecture, cannot be overclocked. There will be a total of four LPE cores on a low-power island, and they will not be affected by BCLK or ECLK adjustments. Overclocking only affects the P-Cores and E-Cores on the main compute tile. While the LPE core cluster will be part of a low-power island, it might still exist on the same compute tile, which is the case with Panther Lake chips.
Intel's Nova Lake "Core Ultra 400-K Unlocked" CPUs will support IA, BCLK, and Memory overclocking, though only high-end Z990 motherboards will be able to support such OC features, while the remaining chipset stack cuts back on some OC features.
On a similar topic about LPE cores, Jaykihn also states that Intel Nova Lake CPUs will feature the ability to boot through E-Cores only. So users can have the P-Cores disabled entirely, and you can either boot from the E-Cores, LP-E cores, or both. He also states that entire compute dies can be disabled. This likely would be a feature on the dual compute die SKUs, where one die can be turned off, leaving the other operational and usable for low-power workloads, or for better OC.
Intel will also be arranging the core clusters on its Nova Lake CPUs with a new arrangement in which both P-Cores and E-Cores are now clustered. Previously, only E-Cores and LP-E cores were clustered. In Nova Lake, two P-Cores will be combined to form a cluster and feature the previously mentioned 4 MB of L2 cache per cluster or 2 MB of L2 cache per P-Core. The cores on Nova Lake CPUs can only be able to be disabled per cluster and not individually. So if you disable a P-Core cluster, you are losing 2 P-Cores, and disabling an E-Core or LPE-Core cluster, you are losing 4 E/LPE cores.
Big Boost In NPU Performance
In a separate post on X by X86 is dead&back, it looks like we have our first information on the NPU specs of Nova Lake. It seems like Intel is going with a hefty uplift in NPU performance, reaching 74 TOPS or 5.6x faster than the existing Arrow Lake lineup. Intel already has very decent NPU capabilities and support on its Panther Lake / Lunar Lake SoCs, so this update would make Nova Lake the most premium AI chip for desktops.
The purported roadmap/slide also lists Intel's Nova Lake CPUs to be fabricated on both Intel 18A and TSMC N2 process nodes. We can't say for sure which tile is based on which process tech, but Intel is likely going to mix and match various process technologies across various dies and Nova Lake-S configurations as seen on Panther Lake.
The 700W+ Figure Is With Power Limits Removed, But PL2 Should Be Above 400W For Dual Compute Tile SKUs
Yesterday's 700W+ power figure was a bit shocking, but it looks like the power limits for Nova Lake-S Desktop CPUs have been further explained. According to Kopite7kimi, the number was based on a chip with all of its power limits removed and was the actual power consumption for a dual compute tile chip with as many as 52 cores. Think of it like a chip being pushed to the max with no power limit in place.
It is also said that this would be about the same ballpark as the PL4 limit, which is a small timeframe when the power spikes hit a pre-defined ceiling (maximum power threshold) to prevent CPU damage. From the information available, the PL1 for Nova Lake-S CPUs will be similar to the 125-150W baseline we see today, while the PL2 limits should be in the 250W-450W range. As per intc_blue, the 700W+ figures will also be the PL4 limits, but once again, Kopite7kimi's 700W+ figure is not PL4, as mentioned above.
That's all the information we have on Intel Nova Lake-S Desktop CPUs for today, but it looks like things are clearing up and we are getting a more detailed picture of what the new platform and processors are going to look like. Once again, Intel's Nova Lake-S CPUs, along with the 900-series motherboards, are scheduled to launch later this year and will be competing against AMD's Zen 6-based Ryzen offerings, which also offer new architectural and platform innovations, so quite an interesting battle is being brewed up for 2H 2026.
Nova Lake-S vs Arrow Lake-S
| Family | Nova Lake-S | Arrow Lake-S |
|---|---|---|
| Core Count (Max) | 52 | 24 |
| Thread Count (Max) | 52 | 24 |
| Max P-Cores | 16 | 8 |
| Max E-Cores | 32 | 16 |
| Max LP-E Cores | 4 | 0 |
| Max Cache (L2+L3) | 160-320 MB | 76 MB |
| Max bLLC Cache | 144-288 MB | N/A |
| DDR5 (1DPC 1R) | 8000 MT/s | 7200-6400 MT/s |
| PCIe 5.0 Lanes (Max) | 36 | 24 |
| PCIe 4.0 Lanes (Max) | 16 | 4 |
| Socket Support | LGA 1954 | LGA 1851 |
| Max TDP (PL1) | 125-175W | 125W |
| Max Power | ~700W (Dual) ~350W (Single) | ~400W |
| Launch | 2H 2026 | 1H 2026 |
About the author: A Software Engineer by training and a PC enthusiast by passion, Hassan Mujtaba serves as Wccftech's Senior Editor for hardware section. With years of experience in the industry, he specializes in deep-dive technical analysis of next-generation CPU and GPU architectures, motherboards, and cooling solutions. His work involves not only breaking news on upcoming technologies but also extensive hands-on reviews and benchmarking.
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